Haskris OPC 12, Instruction Manual

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10 | P a g e
2.0 INSTALLATION
2.7 Piping Leak Check
Once 2.6 is completed.
1) Close return side line purge valve and
perform leak check for a minimum of 30
minutes at city water pressure.
2) Examine all piping connections for leaks.
If leak is found isolate and eliminate. If
leak is found and eliminated repeat
piping line flush.
2.8 Piping Line Purge
Once 2.7 is completed.
1) Once a successful leak check had been
performed drain all water from piping
lines.
2) Open all drains including drains installed
at the base of each rise.
3) Compressed DRY air or DRY nitrogen
may be used to assist in purging all
piping lines
2.9 Filling the System
1) Fill the tank and entire piping loop
independently with a mixture of
propylene glycol, and potable water, see
chart for % by volume.
2) Use potable / distilled water.
3) Contact Haskris for list of approved
glycol vendors.
4) Use a refractometer to verify percentage
of propylene glycol.
NOTE:
DO NOT OPERATE OUTSIDE THE
ALLOWABLE GLYCOL PERCENTAGE
RANGE. DO NOT USE AUTOMOTIVE
ANTIFREEZE. DOING SO WILL DAMAGE
PIPING LINES AND PUMP!
PROPYLENE GLYCOL SOLUTION CONCENTRATION CHART
For Freeze For Burst
Protection Protection
Temperature
Volume % Volume %
°F °C DOWFROST DOWFROST
20 -7 18.8 12.6
10 -12 30.4 20.9
0 -18 37.7 25.1
-10 -23 44 29.3
-20 -29 48.2 31.4
OPC
TYPICAL TANK
CAPACITY
12 12 GALLON
NOTE:
PROPYLENE GLYCOL
CONCENTRATIONS LESS THAN 20%
MAY BE AT RISK FOR BACTERIAL
CONTAMINATION.
PROPYLENE GLYCOL
CONCENTRATIONS LESS THAN 30%
MAY NOT PROVIDE ADEQUATE
CORROSION PROTECTION.
THE CHART SHOWN ABOVE, FIGURES
ARE EXAMPLES AND MAY NOT BE
APPROPRIATE TO YOUR SITUATION,
CONTACT HASKRIS FOR ASSISSTANCE
IN SELECTION OF THE PROPER
GLYCOL CONCENTRATION.